Espoma Organic Potting Mix is a rich, premium blend of the finest natural ingredients. It contains sphagnum peat moss, peat humus, perlite, and has been enhanced with Myco-tone, a blend of mycorrhizae that helps to promote root growth, increase nutrient and water uptake, and grow larger plants win mor abundant blooms. Use Espoma Organic Pottin Mix with the confidence that you have chosen the very best.